GB - 19
SHORT TERM
NEVER spray unit with high-pressure water or store unit
outdoors.
Inspect unit for visible signs of wear, breakage or damage.
Keep all nuts, bolts and screws properly tightened and know
unit is in safe working condition.
Store unit in a cool, dry protected area.
LONG TERM
Clean unit thoroughly with mild soap and low pressure water
and lubricate (see
Touch up all scratched painted surfaces.
Remove weight from wheels by putting blocks under frame
or axle.
Store in a dry area.
See the engine manual for additional storage requirements.
STORAGE
WARNING:
AVOID INJURY. Read and understand
entire
Safety
section before proceeding.
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
CORRECTION
Uneven Cut
1. Uneven unit tire pressure.
2. Mower not level.
3. Damaged gauge wheel or axle.
4. Mower suspension loose.
5. Bent blade.
1. Inflate tires to correct pressure.
2. Level mower deck. See
3. Repair or replace damaged components.
4. Check and adjust mounting hardware.
Replace bent or broken components.
5. Replace blade. See
Uncut Grass
1. Travel speed too fast.
2. Engine speed too slow.
3. Grass too tall.
4. Dull blade(s).
5. Damaged blade(s).
6. Belt slipping.
1. Reduce mowing speed.
2. Operate unit at full throttle.
3. Increase cutting height and cut grass
twice.
4. Sharpen and balance blades.
5. Replace blades as needed.
6. Check belt tension and wear. Adjust or
replace as needed.
Smoke from
Mower
1. Spindle/blade blocked.
2. Debris wedged against belt.
3. Loose belt.
1. Stop unit, remove key, check blades for
blockage or restrictions.
2. Stop unit, remove key, check blades for
blockage or restrictions.
3. Tension belt as needed.
PTO Does Not
Engage or
Engages
Intermittently
1. PTO safety switch improperly adjusted.
2. PTO safety switch faulty.
1. Adjust PTO safety switch. See step 9 of
2. Replace the safety switch. See an
authorized Gravely Dealer for service.
Engine Slows
When Mower Is
Engaged
1. Blade(s) blocked or restricted.
2. Damaged bearing in spindle assembly.
3. Damaged bearings/gears in gearbox.
1. Stop unit, remove key, check blades for
blockage or restrictions.
2. Replace spindle. See an authorized
Gravely Dealer for service.
3. Replace the gearbox. See an authorized
Gravely Dealer for service.
Abnormal
Vibrations or
Sounds
1. Loose hardware.
2. Debris in mower deck.
3. Mower blades damaged.
4. Mower belt damaged or off pulleys.
1. Check and tighten all hardware.
2. Stop unit, remove key, check blades for
blockage or restrictions.
3. Replace mower blades.
4. Install or replace belt.
